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GENERAL DESCRIPTION

The ADuM3165/ADuM31661 are USB 2.0 port isolators, utilizing

Analog Devices, Inc., iCoupler? technology to dynamically support

all USB 2.0 data rates: low (1.5 Mbps), full (12 Mbps), or high

(480 Mbps), as required. The devices support host isolation with

automatic speed negotiation as well as peripheral isolation.

High speed data is retimed for jitter reduction, requiring an external

clock signal or crystal input. The ADuM3165 supports the clock or

crystal input on the upstream side, and the ADuM3166 supports the

clock or crystal input on the downstream side, offering two options

to best suit the system design.

The low power standby mode for downstream (Side 2) supports

applications with limited available power, such as battery-operated

peripherals. The upstream (Side 1) standby current meets USB 2.0

requirements for suspended operation.

The isolators are specified over an extended industrial temperature

range of ?55°C to +125°C and are available in a compact 20-lead

shrink small outline package (SSOP) with 5.3 mm creepage and

clearance.

FEATURES

? USB 2.0 signaling with automatic detection of low, full, and high

speed connections

? 1.5 Mbps, 12 Mbps, and 480 Mbps data rates

? Bidirectional USB isolator for upstream and downstream ports

? Redriving and high speed data retiming for input jitter removal

and an open eye

? Flexible clock input options

? 4.5 V to 5.5 V VBUSx or 3 V to 3.6V operation on each side

? 21 mA typical idle, low or full speed mode supply current

? 48 mA typical idle, high speed mode supply current

? Ultra low power standby in USB 2.0 suspend (L2) or disconnect

? 1.7 mA typical low power standby, upstream supply current

? 20 μA typical low power standby, downstream supply current

? ±6000 V IEC 61000-4-2 ESD protection across the isolation

barrier

? Passed CISPR32/EN55032 Class B emissions

? High common-mode transient immunity: 50 kV/μs typical

? Safety and regulatory approvals (pending)

? UL (pending): 3750 V rms for 1 minute per UL 1577

? CSA Component Acceptance Notice 5A (pending)

? IEC 62368-1, IEC 61010-1, and IEC60601-1

? VDE certificate of conformity (pending)

? DIN V VDE V 0884-11 (VDE V 0884-11):2017-01

? VIORM = 849 VPEAK (working voltage)

? Operating temperature range: ?55°C to +125°C

? Compact 20-lead SSOP with 5.3 mm creepage and clearance

APPLICATIONS

? USB peripheral, USB host, and USB hub isolation

? Electronic test and measurement equipment

? Medical devices and integrated PCs

? Industrial PCs and isolated USB ports for debug or upgrade

? USB isolator modules and USB cable isolators